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Exemptions to the Phaseout of Ozone-Depleting Substances

There have been several exemptions to the phaseout of the production and import of ozone-depleting substances (ODS) under the Clean Air Act. Learn more about them by following the links below.

Methyl Bromide

Learn about critical use exemptions to the phaseout of methyl bromide, a fumigant used agricultural goods and commodities.

Essential Uses (Metered-Dose Inhalers)

Learn about essential use exemptions for metered dose inhalers (MDIs) used to treat asthma and chronic obstructive pulmonary disease (COPD).

Laboratory and Analytical Uses

Learn about the exemption allowing for the continued production and import of Class I ODS to be used in essential laboratory and analytical procedures.

Halons Program

Learn about halons, which are still recycled and used in certain applications such as fire suppression on civil aircraft.